01
AI Foundations
Understand what AI is, how systems learn, where they fail, and how to judge claims without hype.
Free AI library
Learn AI.Free forever.
1019 plain-English guides, structured learning paths, and an open library — built by an independent 501(c)(3) nonprofit so anyone can understand modern AI.
1019Free guides
9Topic tracks
~2 minPer guide
~34hReading time
Start here
Five outcome-based courses
Each course includes explicit outcomes, mapped competencies, practice activities, and an applied capstone.
02
Responsible AI User
Use AI productively while protecting privacy, checking outputs, and preserving human accountability.
03
AI at Work
Evaluate workplace use cases, run safe pilots, measure value, and communicate changes responsibly.
04
AI Policy & Society
Analyze AI systems through rights, equity, governance, safety, and public-interest outcomes.
05
Building with AI Systems
Understand language models, retrieval, agents, evaluation, cost, and deployment safeguards through practical system design.
Topic tracks
Browse by track
Jump into the area you care about. Every track has multiple plain-English guides.
FundamentalsCore concepts: how AI works at a high level.84 guides Language AILLMs, NLP, ChatGPT, prompting, and text understanding.155 guides Visual AIImage generation, computer vision, video, and design.133 guides Audio AIVoice, music, podcasting, and audio-first AI.117 guides CompaniesProfiles of OpenAI, Anthropic, Google, Meta, and more.121 guides ApplicationsHow AI shows up in coding, search, agents, and daily life.111 guides IndustriesAI in healthcare, finance, education, energy, and more.91 guides TechnicalChips, fine-tuning, RAG, vectors, and AI infrastructure.177 guides SocietyBias, privacy, copyright, safety, and the AI future.30 guides
Full library
All guides
1019 of 1019 guides shown. Filter by track or search above.
Companies
Google AI
Google’s AI ecosystem spans research, consumer applications, developer tools, and cloud services.
CompaniesMeta AI and Llama
Meta’s AI work includes consumer experiences, research, and the Llama model ecosystem.
CompaniesMicrosoft AI
Microsoft’s AI ecosystem includes user-facing assistants, development platforms, and integrations with models from multiple providers.
CompaniesOpen Source AI
Open source AI concerns the freedoms and materials available to use, study, modify, and share an AI system.
ApplicationsAI Assistants
An AI assistant is an interface that helps a person obtain information, create material, or complete tasks using models and supporting software.
ApplicationsAI Agents
An AI agent is a system that uses observations and a goal to choose actions, often through tools, and then evaluates what happened.
ApplicationsAI Search
AI search uses learned representations or models to improve how information is found, ranked, or summarized.
ApplicationsAI Coding
AI coding uses models to help explain, generate, modify, or review software.
ApplicationsAI in Gaming
AI in gaming can generate content, control non-player characters, test levels, personalize experiences, and assist developers.
ApplicationsAI in Daily Life
AI in daily life appears in recommendations, navigation, accessibility tools, home devices, writing aids, and personal assistants.
IndustriesAI in Healthcare
AI in healthcare can support imaging, documentation, triage, research, and administrative work.
IndustriesAI in Finance
AI in finance can support forecasting, fraud review, customer service, underwriting, and trading analysis.
Finished reading? Prove it.
Check what you learned with topic quizzes, then explore our structured courses and current certification requirements. Core guides remain free to read.